Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tru nang » tra nang, truc nano, thi nang
danh day » danh dau, dan day, doanh dao
tri nang » thi nang, tra nang, tri bang
day cua » dai cua
va danh » va dinh, va dan, va hanh
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((tru nang) or (tri nang)) ma hoa. hieu ve ((pham duc) or (pham duy)) va danh day cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((tru nang) OR (tri nang)) ma hoa. hieu ve ((pham duc) OR (pham duy)) va danh day cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ((tru nang) or (tri nang)) ma hoa. hieu ve ((pham duc) or (pham duy)) va danh day cua triet*.